Sidelink logical channel and resource configurations

Abstract

Method, apparatus and systems are described to allow a base station to configure a logical channel or resources for sidelink communications. In one example aspect, a method for wireless communication includes receiving, by a user equipment, a message from a communication node. The message includes information for configuring a logical channel for a sidelink transmission. The method also includes configuring, a Medium Access Control (MAC) entity with the logical channel according to the information.

What is claimed is: 
     
         1 . A method for wireless communication comprising:
 receiving, by a user equipment, a message from a communication node, wherein the message includes information about a logical channel group, a Quality of Service (QoS) parameter, or a QoS Flow Identity (QFI) parameter; and   performing, by the user equipment, a sidelink transmission based on the information.   
     
     
         2 . The method of  claim 1 , wherein the information indicates at least one of:
 a mapping between an identifier of a logical channel group and QoS information,   a mapping between the identifier of the logical channel group and a scheduling request identity,   a mapping between the identifier of the logical channel group and a configured grant resource,   a mapping between the identifier of the logical channel group and a transmission mode,   a mapping between the QoS parameter and a scheduling request identity,   a mapping between the QoS parameter and a configured grant resource,   a mapping between the QoS parameter and a transmission mode,   a mapping between the QFI parameter and a scheduling request identity,   a mapping between the QFI parameter and a configured grant resource, or   a mapping between the QFI parameter and a transmission mode.   
     
     
         3 . The method of  claim 1 , wherein the information indicates, for each logical channel group, a list or a range of associated QoS information, a list or a range of associated QFI information, a list of scheduling request identities, a list of allowed configured grant resources, or a list of transmission modes,
 wherein the information indicates, for each scheduling request identity, a list of QoS identities or a list of QFI parameters, or   wherein the information indicates, for each configured grant type index, a list of QoS identities or a list of QFI parameters.   
     
     
         4 . The method of  claim 1 , wherein the information about the QoS parameter includes at least one of: associated QFI information, one or more scheduling request identities, one or more configured grant resources, or one or more transmission modes, and
 wherein the information about the QFI parameter includes at least one of: associated QoS information, one or more scheduling request identities, one or more configured grant resources, or one or more transmission modes.   
     
     
         5 . The method of  claim 1 , wherein a transmission mode indicates whether the communication node schedules a transmission resource for the sidelink transmission or the user equipment selects the transmission resource from a pool of resources configured by the communication node, the method further comprising:
 determining, by the user equipment, an amount of sidelink data available for a logical channel, wherein the logical channel is configured with a transmission mode that indicates the communication node schedules the transmission resource, or the logical channel belongs to a logical channel group configured with a transmission mode that indicates the communication node schedules the transmission resource.   
     
     
         6 . A method for wireless communication, comprising:
 transmitting, by a communication node, a message to a user equipment, the message including information about a logical channel group, a Quality of Service (QoS) parameter, or a QoS Flow Identity (QFI) parameter,   wherein the message enables the user equipment to perform a sidelink transmission based on the information.   
     
     
         7 . The method of  claim 6 , wherein the information indicates at least one of:
 a mapping between an identifier of a logical channel group and QoS information,   a mapping between the identifier of the logical channel group and a scheduling request identity,   a mapping between the identifier of the logical channel group and a configured grant resource,   a mapping between the identifier of the logical channel group and a transmission mode,   a mapping between the QoS parameter and a scheduling request identity,   a mapping between the QoS parameter and a configured grant resource,   a mapping between the QoS parameter and a transmission mode,   a mapping between the QFI parameter and a scheduling request identity,   a mapping between the QFI parameter and a configured grant resource, or   a mapping between the QFI parameter and a transmission mode.   
     
     
         8 . The method of  claim 6 , wherein the information indicates, for each logical channel group, a list or a range of associated QoS information, a list or a range of associated QFI information, a list of scheduling request identities, a list of allowed configured grant resources, or a list of transmission modes,
 wherein the information indicates, for each scheduling request identity, a list of QoS identities or a list of QFI parameters, or   wherein the information indicates, for each configured grant type index, a list of QoS identities or a list of QFI parameters.   
     
     
         9 . The method of  claim 6 , wherein the information about the QoS parameter includes at least one of: associated QFI information, one or more scheduling request identities, one or more configured grant resources, or one or more transmission modes, and
 wherein the information about the QFI parameter includes at least one of: associated QoS information, one or more scheduling request identities, one or more configured grant resources, or one or more transmission modes.   
     
     
         10 . The method of  claim 6 , wherein a transmission mode indicates whether the communication node schedules a transmission resource for the sidelink transmission or the user equipment selects the transmission resource from a pool of resources configured by the communication node. 
     
     
         11 . A wireless communication apparatus implemented as a user equipment, comprising at least one processor configured to cause the wireless communication apparatus to:
 receive a message from a communication node, wherein the message includes information about a logical channel group, a Quality of Service (QoS) parameter, or a QoS Flow Identity (QFI) parameter; and   perform a sidelink transmission based on the information.   
     
     
         12 . The wireless communication apparatus of  claim 11 , wherein the information indicates at least one of:
 a mapping between an identifier of a logical channel group and QoS information,   a mapping between the identifier of the logical channel group and a scheduling request identity,   a mapping between the identifier of the logical channel group and a configured grant resource,   a mapping between the identifier of the logical channel group and a transmission mode,   a mapping between the QoS parameter and a scheduling request identity,   a mapping between the QoS parameter and a configured grant resource,   a mapping between the QoS parameter and a transmission mode,   a mapping between the QFI parameter and a scheduling request identity,   a mapping between the QFI parameter and a configured grant resource, or   a mapping between the QFI parameter and a transmission mode.   
     
     
         13 . The wireless communication apparatus of  claim 11 , wherein the information indicates, for each logical channel group, a list or a range of associated QoS information, a list or a range of associated QFI information, a list of scheduling request identities, a list of allowed configured grant resources, or a list of transmission modes,
 wherein the information indicates, for each scheduling request identity, a list of QoS identities or a list of QFI parameters, or   wherein the information indicates, for each configured grant type index, a list of QoS identities or a list of QFI parameters.   
     
     
         14 . The wireless communication apparatus of  claim 11 , wherein the information about the QoS parameter includes at least one of: associated QFI information, one or more scheduling request identities, one or more configured grant resources, or one or more transmission modes, and
 wherein the information about the QFI parameter includes at least one of: associated QoS information, one or more scheduling request identities, one or more configured grant resources, or one or more transmission modes.   
     
     
         15 . The wireless communication apparatus of  claim 11 , wherein a transmission mode indicates whether the communication node schedules a transmission resource for the sidelink transmission or the user equipment selects the transmission resource from a pool of resources configured by the communication node, the at least one processor is further configured to cause the wireless communication apparatus to:
 determine an amount of sidelink data available for a logical channel, wherein the logical channel is configured with a transmission mode that indicates the communication node schedules the transmission resource, or the logical channel belongs to a logical channel group configured with a transmission mode that indicates the communication node schedules the transmission resource.   
     
     
         16 . A wireless communication apparatus implemented as a communication node, comprising at least one processor configured to cause the wireless communication apparatus to:
 transmit a message to a user equipment, the message including information about a logical channel group, a Quality of Service (QoS) parameter, or a QoS Flow Identity (QFI) parameter,   wherein the message enables the user equipment to perform a sidelink transmission based on the information.   
     
     
         17 . The wireless communication apparatus of  claim 16 , wherein the information indicates at least one of:
 a mapping between an identifier of a logical channel group and QoS information,   a mapping between the identifier of the logical channel group and a scheduling request identity,   a mapping between the identifier of the logical channel group and a configured grant resource,   a mapping between the identifier of the logical channel group and a transmission mode,   a mapping between the QoS parameter and a scheduling request identity,   a mapping between the QoS parameter and a configured grant resource,   a mapping between the QoS parameter and a transmission mode,   a mapping between the QFI parameter and a scheduling request identity,   a mapping between the QFI parameter and a configured grant resource, or   a mapping between the QFI parameter and a transmission mode.   
     
     
         18 . The wireless communication apparatus of  claim 16 , wherein the information indicates, for each logical channel group, a list or a range of associated QoS information, a list or a range of associated QFI information, a list of scheduling request identities, a list of allowed configured grant resources, or a list of transmission modes,
 wherein the information indicates, for each scheduling request identity, a list of QoS identities or a list of QFI parameters, or   wherein the information indicates, for each configured grant type index, a list of QoS identities or a list of QFI parameters.   
     
     
         19 . The wireless communication apparatus of  claim 16 , wherein the information about the QoS parameter includes at least one of: associated QFI information, one or more scheduling request identities, one or more configured grant resources, or one or more transmission modes, and
 wherein the information about the QFI parameter includes at least one of: associated QoS information, one or more scheduling request identities, one or more configured grant resources, or one or more transmission modes.   
     
     
         20 . The wireless communication apparatus of  claim 16 , wherein a transmission mode indicates whether the communication node schedules a transmission resource for the sidelink transmission or the user equipment selects the transmission resource from a pool of resources configured by the communication node.